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Fencer Vulns
high 8.1

CVE-2025-54289 json

Privilege Escalation via WebSocket Connection Hijacking in LXD Operations API

published 2025-10-02 13 mo ago modified 2026-10-23 16 d ago also GHSA-3g72-chj4-2228 , GO-2025-3999 , EUVD-2025-32638

cvss
8.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits
0
none known

Summary

Privilege Escalation in operations API in Canonical LXD <6.5 on multiple platforms allows attacker with read permissions to hijack terminal or console sessions and execute arbitrary commands via WebSocket connection hijacking format

Patch / fix

  • go github.com/canonical/lxd 0.0.0-20250827065555-0494f5d47e41, 5.21.4, 6.5
  • Canonical LXD 5.21.4, 6.5
  • incus Debian 13 6.0.4-2+deb13u1
  • incus Debian 14 6.0.5-1

debian advisories DEBIAN-CVE-2025-54289

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20251105T184115-1.1

opensuse advisories openSUSE-SU-2026:21483-1openSUSE-SU-2025:15710-1

  • incus Alpine 3.24, Alpine 3.23 6.0.6-r0

alpine advisories ALPINE-CVE-2025-54289

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
13 mo ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/canonical/lxd/security/advisories/GHSA-3g72-chj4-2228 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 7.4 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CNA 4.0 7.4 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
GitHub 3.1 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
go github.com/canonical/lxd
>=4.0, <5.21.4
>=6.0, <6.5
>=0.0.0-20200331193331-03aab09f5b5c, <0.0.0-20250827065555-0494f5d47e41
all versions
5.21.4
6.5
0.0.0-20250827065555-0494f5d47e41

Affected products

  • Canonical LXD

Classification

Weakness
  • CWE-1385 Missing Origin Validation in WebSockets

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.